From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Backplane mystery Date: Mon, 02 Mar 2009 17:46:14 +0900 Message-ID: <49AB9CD6.1060404@kernel.org> References: <49A6B441.8010605@seiner.com> <49A6B683.9060806@rtr.ca> <49A8093A.1030401@seiner.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:53304 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751873AbZCBIp5 (ORCPT ); Mon, 2 Mar 2009 03:45:57 -0500 In-Reply-To: <49A8093A.1030401@seiner.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Yan Seiner Cc: linux-ide@vger.kernel.org Yan Seiner wrote: > [ 82.533526] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310) > [ 82.533606] ata3: link online but device misclassified, retrying > [ 82.533686] ata3: reset failed (errno=-11), retrying in 9 secs > > Is there some way to be more forceful with the reset? I suspect one of > the port multiplier boards is bad at this point. Is there some way to > force a hard reset from user space? What can I from userspace short of > hitting the thing with a hammer? ATA already uses hardreset. You can trigger it by echoing "- - -" to /sys/class/scsi_host/hostN/scan but I doubt it would do any good. :-( -- tejun